/*
 * Copyright 2017 Sam Sun <github-contact@samczsun.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.javadeobfuscator.deobfuscator.matcher;

import org.objectweb.asm.Opcodes;
import org.objectweb.asm.tree.AbstractInsnNode;
import org.objectweb.asm.tree.IntInsnNode;

import java.util.ArrayList;
import java.util.List;

public class NewArrayStep implements Step {
    private final List<Integer> sorts;

    public NewArrayStep(int... sorts) {
        this.sorts = new ArrayList<>();
        for (int sort : sorts) {
            this.sorts.add(sort);
        }
    }

    @Override
    public AbstractInsnNode tryMatch(InstructionMatcher matcher, AbstractInsnNode now) {
        if (now.getOpcode() == Opcodes.NEWARRAY && now instanceof IntInsnNode) {
            if (this.sorts.contains(((IntInsnNode) now).operand)) {
                return now.getNext();
            }
        }
        return null;
    }
}
